For a more livable city from sidewalk to skyline

what we stand for

Advocacy

PlanningPolicyPreservation
Data Distillery

Data in translation

2024 - present
Policy
City Environmental Quality Review Reform

Exploring ways to improve the City's CEQR process

2018–present
Preservation
Adopt-A-Monument / Mural

Conserving public art through private funds

1987–present
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Celebrate excellence in architecture & urban design across New York City

Make a MASterworks nomination

Events + Tours

TourIn Person
Gilded Age Mansions OFF Fifth Avenue
with Ginny Poleman
Saturday, November 1 at 11:00 AM
Member: $25 | Non-member: $35
Buy Tickets
TourIn Person
Art Deco Washington Heights
with Anthony W. Robins
Sunday, November 2 at 11:00 AM
Member: $25 | Non-member: $35
Buy Tickets
TourIn Person
Grand Central Terminal
with MAS Docent
Wednesday, November 5 at 11:00 AM
Member: $25 | Non-member: $35
Buy Tickets
TourVirtual
640 Fifth Avenue: A Gilded Age Palace
with Jason Stein
Thursday, November 6 at 6:00 PM
Member: $15 | Non-member: $25
Buy Tickets
EventIn Person
SEQRA 50th Anniversary Conference
Thursday, November 6 at 1:45 PM
$0-$400
Buy Tickets
TourIn Person
Grand Central Terminal
with MAS Docent
Friday, November 7 at 12:30 PM
Member: $25 | Non-member: $35
Buy Tickets
View All Events + Tours

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Legacy

Celebrating 130 years of advocacy on behalf of New York and New Yorkers.
Learn More
Vintage transit map for New York City
1903
Advocating for a Consolidated Transportation System
View Our Full History